Cleaning attachment for tobacco pipes



June 9, 1925. 1,541,346

H. E. GOLDV'OGEL CLEANING ATTACHMENT FOR TOBACCO PTPFLQ Filed May 7, 1924 HARRY E r aomvogg nomtoz Patented June 9, 1925.

UNITED STATES HARRY E. GOLDVOGEL, on NEW Yoax, n. Y., assrenoa 'ronasco naron'r co., INC.,

or NEW YORK, N. Y., A CORPORATION or NEW YoRxQ' 1 CLEAFI'ING ATTACHMENT FOR TOBACCO PIPES.

Application filed May 7, 1924. Serial 170.. 711,529.

thereof and adapted to removably connect a cleanin attachment and the mouth piece. A furt er object of the invention is to provide a cleaning attachment for a pipe stem comprising a s iral scraping edge adapted to be broug t into engagement with the inner wall of the stem whereby turning movement of the scraping edge will detach and convey outwardly particles which may adhere to the inner wall of said stem.

The invention is illustratively exemplified in the accompanying drawings, in who Figure 1 is a substantially longitudinal sectional view of a pipe and mouth piece and showing one embodiment of my invention; Figure 2 is a detail view of a cleaning attachment illustrated in Figure 1; Figure 3 is a view of a pipe similar to that shown in Figure 1 and illustrating my preferred form of cleaning device; and Fi re 4 is a sectional view showing a pipe, reenforced mouth piece and separable smoke conductor.

Referring to the drawings, the smoking pipe comprises a bowl 10, integral stem 11, and separate mouth piece 12, connected to the said stem, the latter being provided with a bore and having a metal cap or ferrule 13 at the end, which forms a seat against which the end of the mouth piece is disposed. The elements described in the foregoing statement and their particular arrangement According to the cleaning attachment illustrated in Figures land 2, the attachment comprises a straight cylindrical body sec-- tion 16, adapted to be removably fitted in the bore of the stem 11. and having a reduced threadedsection 17 to be screwed into the threaded reenforcing member 15. Projecting fromthe opposite end of the section 16 and integral therewith is a tapered section 18 which enters well into the bow 13 and terminates in a hemispherical head 19 having a groove 20, which provides a passage for the smoke. A further smoke passage 21 is disposed axially of the attachment and projects from the end of the threaded section 17 to a point in the tapered section 18 where it communicates with a transversely drilled passage 22 leading from the interior of the stem 11.

Referring now to the preferred embodiment of my cleaning device. illustrated in Figure 3, it will be observed that the only change made as compared with the construction shown in Figures 1 and 2, as in the head which comprises a plurality of spirally dish posed scraping edges 23. The edges 23 project axially and spirally of the attachment from the inner end of the tapered section 18 to the nose which is adapted to extend slightly into the bottom of the pipe bowl 10. The diameter of the spiral edges 23 is approximately that of the bow of the stem 11, so that when the mouth piece is turned the scraping edges 23 turn also and by reason of their engagement with the inner wall of the stem detach and convey any particles adhering to the said wall toward the bowl 10 or mouth piece 12..

In the embodiment of my cleaning attachment shown in Figure 4, the section thereof projecting from the cylindrical section 16, comprises a straight tubular section 24, which extends sli htly into the bowl of the pipe and is axia ly bored throughout its length to provide a straight smoke conduit from the mouth piece 12 to the bowl 10. The bow of the stem 11 is slightly modified in this case to conform to the reduced size of the tubular section 24, the oppositeend of the bore being of the ordinary diameter so as to closely embrace the section 16 of the attachment.

'The 0 ration of the cleaning attachments is as fol ows: Accordin to the construction shown in Figures 1 an 2, the mouth piece 12 is merely drawn outwardly and an particles of material adherin to the wal of the bore and in back of the head will be pushed. outwardly to the mouth of the stem. Furtherfore, the tobacco juice and saliva which may gather in the bore will likewise be cleared from the stem. The spiral cleaner shown in Figure 3 is turned with the mouth piece and the lower layer of burned tobacco in the bowl is collected and conveyed towards the mouth of the stem where it ma be removed. To clean the pipe stem with the tubular projection shown in Figure 4, it is merely necessary to move the attachment in and out of the bore a few times and the passage in the stem will be open, after which the mouth piece and attachment is removed and the tubular projection cleaned to remove particles adhering to its inner and outer walls.

What I claim and desire to secure by Letters Patent is 2-- 1. A cleaning attachment for the mouthpiece of a smoking pipe having a bowl and pipe stem, comprising a rear portion removably fitting into the mouthpiece, a reduced intermediate portion to provide a cooling chamber, and a forward portion extending into the bowl and having helically disposed scraping ribs.

2. A cleaning attachment as claimed in claim 1, said rear portion having a smoke passage communicating at opposite ends with the mouthpiece and the cooling chamber. g,

3. In a cleaning attachment, the combination with the elements as claimed in claim 1, of a. reenforcing member for the mouthpiece having an' internally threaded portion within the mouthpiece, and an enlarged portion embracing the end of the pipe'stem, said rear portion of the cleaning attachment being externally threaded to fit into said internally threaded portion.

In testimony whereof I have afiixed my signature.

HARRY E. GOLDVOGEL. 

